arm: mach-omap2: load/start remoteproc IPU1/IPU2

First check the presence of the ipu firmware in the boot partition.
If present enable the ipu and the related clocks & then move
on to load the firmware and eventually start remoteproc IPU1/IPU2.

do_enable_clocks by default puts the clock domains into auto
which does not work well with reset. Hence adding do_enable_ipu_clocks
function.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[Amjad: fix IPU1_LOAD_ADDR and compile warnings]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clocks-common.c b/arch/arm/mach-omap2/clocks-common.c
index 1d8eab2dab5..390d1f2a649 100644
--- a/arch/arm/mach-omap2/clocks-common.c
+++ b/arch/arm/mach-omap2/clocks-common.c
@@ -858,6 +858,39 @@ void do_enable_clocks(u32 const *clk_domains,
 	}
 }
 
+void do_enable_ipu_clocks(u32 const *clk_domains,
+			  u32 const *clk_modules_hw_auto,
+			  u32 const *clk_modules_explicit_en,
+			  u8 wait_for_enable)
+{
+	u32 i, max = 10;
+
+	if (!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
+		return;
+
+	/* Put the clock domains in SW_WKUP mode */
+	for (i = 0; (i < max) && clk_domains && clk_domains[i]; i++) {
+		enable_clock_domain(clk_domains[i],
+				    CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
+	}
+
+	/* Clock modules that need to be put in HW_AUTO */
+	for (i = 0; (i < max) && clk_modules_hw_auto &&
+	     clk_modules_hw_auto[i]; i++) {
+		enable_clock_module(clk_modules_hw_auto[i],
+				    MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
+				    wait_for_enable);
+	};
+
+	/* Clock modules that need to be put in SW_EXPLICIT_EN mode */
+	for (i = 0; (i < max) && clk_modules_explicit_en &&
+	     clk_modules_explicit_en[i]; i++) {
+		enable_clock_module(clk_modules_explicit_en[i],
+				    MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
+				    wait_for_enable);
+	};
+}
+
 void do_disable_clocks(u32 const *clk_domains,
 			    u32 const *clk_modules_disable,
 			    u8 wait_for_disable)